Ensure unidirectional flow and protect your pipelines with the 435 Iron Swing Check Valve (Flanged IBBM). Designed for demanding water, oil, and gas applications, this valve combines rugged cast iron construction with bronze-mounted components to deliver reliable performance and corrosion resistance. Its swing check mechanism and bolted cover design ensure easy maintenance and long-term durability in high-pressure systems.
Key Features:
- Swing Check Design: Automatically prevents backflow with a hinged disc, minimizing pressure drop and ensuring system integrity.
- IBBM Construction: Cast iron body with bronze trim resists corrosion, ideal for aggressive media and high-wear environments.
- Bolted Cover: Allows quick access for inspection and maintenance without disassembling the pipeline.
- High-Pressure Resilience: Rated for 125# WSP (Water Service Pressure) / 200# WOG (Water, Oil, Gas) versatility.
- Flanged Ends: ANSI B16.10-compliant flanges ensure leak-proof, hassle-free installation.
- Certified Reliability: Meets MSS-SP-71 standards for material quality and performance.
Technical Specifications:
- Body Material: Cast Iron
- Trim Material: Bronze (IBBM – Iron Body, Bronze Mounted)
- Pressure Class: 125# WSP / 200# WOG
- End Connection: Flanged (ANSI B16.10)
- Design Standard: MSS-SP-71
- Temperature Range: -20°F to 200°F (-29°C to 93°C)*
- Cover Type: Bolted
Ideal Applications:
- Water treatment and distribution systems
- Oil and gas pipelines
- Pump discharge and suction lines
- HVAC and industrial cooling systems
- Chemical processing plants
Why Choose This Valve?
The 435 Iron Swing Check Valve is built to withstand harsh conditions while providing effortless maintenance. The IBBM design extends service life in corrosive environments, and the bolted cover simplifies repairs without pipeline disruption. Trusted for compliance with MSS-SP-71 and ANSI standards, it’s a cost-effective solution for engineers prioritizing reliability and ease of use.
Note: Temperature range based on typical industry standards for cast iron valves. Confirm specific limits for your application.
Dimension, Weight, Cv
| Size | L [in] | Dk [in] | D [in] | b [in] | n-d | H [in] | Weight [lb] | Cv |
|---|---|---|---|---|---|---|---|---|
| 2” | 8.00 | 4.76 | 5.98 | 0.63 | 4 - 3/4 | 4.45 | 25.2 | 110 |
| 2-½” | 8.50 | 5.51 | 7.01 | 0.69 | 4 - 3/4 | 5.24 | 38.0 | 143 |
| 3” | 9.50 | 6.00 | 7.48 | 0.75 | 4 - 3/4 | 5.67 | 46.6 | 206 |
| 4” | 11.50 | 7.50 | 9.00 | 0.93 | 8 - 3/4 | 6.61 | 78.8 | 440 |
| 5” | 13.00 | 8.50 | 10.00 | 0.94 | 8 - 7/8 | 7.80 | 118 | 575 |
| 6” | 14.00 | 9.49 | 11.00 | 1.00 | 8 - 7/8 | 8.54 | 158 | 830 |
| 8” | 19.49 | 11.75 | 13.50 | 1.18 | 8 - 7/8 | 10.28 | 267 | 1500 |
| 10” | 24.49 | 14.25 | 15.98 | 1.22 | 12 - 1 | 11.30 | 425 | 2370 |
| 12” | 27.50 | 17.01 | 19.02 | 1.25 | 12 - 1 | 12.56 | 491 | 3470 |
Material
| Item | Part | Material | Specification |
|---|---|---|---|
| 1 | Bolt | Steel | ASTM A307-B |
| 2 | Bonnet | Cast Iron | ASTM A126-B |
| 3 | Body gasket | Graphite | |
| 4 | Nut | Steel | ASTM A307-B |
| 5 | Side plug | Brass | ASTM B16 |
| 6 | Gasket | Fiber | |
| 7 | Hinge pin | Cast Bronze | ASTM A124 C63200 |
| 8 | Hinge | Ductie Iron | ASTM A536 65-45-12 |
| 9 | Disc ring | Cast Bronze | ASTM A124 C63200 |
| 9' | Disc | Cast Iron | ASTM A126-B |
| 10 | Washer | Steel | ASTM A307-B |
| 11 | Pin | Stainless Steel | ASTM 420 S42000 |
| 12 | Seat ring | Cast Bronze | ASTM A124 C63200 |
| 13 | Disc nut | Steel | ASTM A307-B |
| 14 | Body | Cast Iron | ASTM A126-B |
| 15 | Stud bolt | Steel | ASTM A307-B |